Air inlet anti-surge pipe of MVR centrifugal steam compressor

Abstract

The invention relates to the technical field of vapor compressors, one embodiment of the invention provides an air inlet anti-surge pipe of an MVR centrifugal vapor compressor, the air inlet anti-surge pipe of the MVR centrifugal vapor compressor comprises a pipe body communicated with an air inlet of the centrifugal vapor compressor, and the air inlet anti-surge pipe of the MVR centrifugal vapor compressor is characterized by further comprising a filter cartridge, a cold water pipe, a sweeping plate and a mass flow controller, a filter screen is installed in the filter cartridge, the cold water pipe is located in the pipe body, the cold water pipe is communicated with a water cooler used for conveying cold water into the cold water pipe, the cold water pipe is rotatably arranged in the pipe body, the cleaning plate is rotatably arranged in the filter cartridge, and a brush making contact with the filter screen is installed on the cleaning plate. A baffle is fixedly installed in the cold water pipe, an air supply pipe is installed on the baffle, and the mass flow controller is installed on the air supply pipe. According to the technical scheme, the technical problem that in the prior art, the air inflow of a centrifugal compressor is reduced to reach the allowable minimum value of the compressor, surge occurs, and fatigue damage of the compressor is caused is solved.

Description

Technical Field

[0001] Embodiments of the present disclosure relate to the technical field of steam compressors, and more particularly, to an anti-surge pipe for the intake of an MVR centrifugal steam compressor. Background Art

[0002] The centrifugal steam compressor is a core component of the MVR (Mechanical Vapor Recompression) system. As a key component of the MVR system, the steam compressor can increase the enthalpy of the secondary steam by compressing the secondary steam. The centrifugal compressor is a type of turbine (rotating impeller) compressor. The movement of the gas in the centrifugal compressor is along the radial direction perpendicular to the compressor shaft. By using a mechanical work element (a high-speed rotating impeller), work is done on the gas, so that the pressure of the gas is increased under the centrifugal action, and at the same time, the kinetic energy is also greatly increased. Subsequently, this part of the kinetic energy is converted into static pressure energy in the diffuser channel, further increasing the gas pressure.

[0003] When the rotary steam compressor stops, starts, operates at part load, changes in intake conditions, or changes in the operating pipeline network, it will cause changes in aerodynamic performance, deviate from the design condition, enter an unstable state and surge. In severe cases, it will cause fatigue damage to the compressor. The fundamental cause of the surge in the centrifugal compressor is that the intake air volume decreases and reaches the minimum value allowed by the compressor. All factors that can cause the operating point of the centrifugal compressor to fall into the surge zone are the reasons for the surge. For example, the intake air temperature rises, the air density decreases, and surges are more likely to occur in summer than in winter; the intake air pressure drops, such as when the inlet filter is blocked or the suction negative pressure value is high; the pressure of the outlet system pipeline network increases, that is, the exhaust is blocked and surges occur due to outlet blockage. Summary of the Invention

[0004] To overcome the above defects, embodiments of the present disclosure provide an anti-surge pipe for the intake of an MVR centrifugal steam compressor, which solves the technical problem in the prior art that the intake air volume of the centrifugal compressor decreases to the minimum value allowed by the compressor, resulting in surge and fatigue damage to the compressor.

[0005] According to one aspect, at least one embodiment of the present disclosure provides an anti-surge pipe for the intake of an MVR centrifugal steam compressor, including a pipe body connected to the intake port of the centrifugal steam compressor, and further including: A filter cartridge, the filter cartridge is connected to the pipe body, and a filter screen is installed inside the filter cartridge; A cold water pipe, the cold water pipe is located inside the pipe body, and the cold water pipe is connected to a chiller for delivering cold water into the cold water pipe; A cleaning plate, the cleaning plate is rotatably arranged inside the filter cartridge, and a brush in contact with the filter screen is installed on the cleaning plate; A mass flow controller, a baffle is fixedly installed inside the cold water pipe, an air supply pipe is installed on the baffle, and the mass flow controller is installed on the air supply pipe.

[0006] In order to improve the cooling effect on the gas, the cold water pipe can be rotatably arranged inside the pipe body, and the cold water pipe is arranged in a spiral shape.

[0007] In order to realize the rotation of the cold water pipe, a driving assembly is also included, and the driving assembly is used to drive the cold water pipe to rotate. The driving assembly includes: A drive shaft, the drive shaft is rotatably disposed inside the tube body, and the drive shaft is fixedly connected to the cold water pipe; A water inlet seat and a water outlet seat, wherein the water inlet seat and the water outlet seat are respectively rotatably connected to the ends of the cold water pipe, and the water inlet seat and the water outlet seat are both connected to the chiller.

[0008] In order to further improve the cooling effect of the cold water pipe on the gas, a plurality of heat exchange fins are fixedly connected to the outside of the cold water pipe.

[0009] In order to realize the driving of the cleaning plate, the cleaning plate and the driving shaft are fixedly connected, and a rotating hole for the driving shaft to pass through is opened on the filter net.

[0010] In order to collect the cleaned impurities, an impurity collection component is also included, and the impurity collection component includes: A dust collecting box is connected to the filter cartridge, an electrostatic precipitator is detachably installed inside the dust collecting box, a cleaning port is provided on the dust collecting box, and a cleaning plate is installed at the cleaning port.

[0011] In order to prevent dust from accumulating on the brush, the brush is detachably connected to the cleaning plate, and the filter cartridge is a detachable structure.

[0012] In order to realize the disassembly of the filter cartridge, the filter cartridge comprises a fixed cartridge and a disassembly cartridge, the fixed cartridge is communicated with the tube body, and the disassembly cartridge is threadedly connected with the fixed cartridge.

[0013] In order to improve the cooling effect on the gas, a cold water tank is fixedly mounted on the outside of the tube body, and the cold water pipe is connected to the chiller through the cold water tank.

[0014] The beneficial effects of the embodiments of the present disclosure are: 1. In the present disclosure, dust impurities in the gas are filtered through a filter, and at the same time, a cleaning plate drives a brush to clean the surface of the filter to prevent dust impurities from clogging the filter. The dust is adsorbed by an electrostatic precipitator to reduce secondary pollution caused by dust. The electrostatic precipitator and the brush are cleaned or replaced regularly to ensure the dust cleaning effect, thereby ensuring smooth air intake in the pipe body.

[0015] 2. In the present disclosure, cold water is conveyed into the interior of the cold water tank and the cold water pipe by a chiller to cool the gas in the pipe body, avoiding the reduction of the gas density and ensuring the intake pressure. Through the rotation of the cold water pipe and the arrangement of the heat exchange fins, the heat exchange area between the gas and the cold water is increased, improving the cooling effect on the gas.

[0016] 3. In the present disclosure, a mass flow controller is used to control the gas flow rate sent into the intake port of the centrifugal steam compressor by the pipe body, ensuring the stability of the gas flow rate entering the centrifugal steam compressor, thereby reducing the surging phenomenon of the centrifugal steam compressor. Through the restriction of the flow rate by the mass flow controller, the gas stays and accumulates in the pipe body, thus avoiding insufficient air pressure in the pipe body when the intake air volume is small.

[0017] 4. Therefore, compared with the surging of the centrifugal steam compressor caused by the reduction of the intake air volume and insufficient intake air pressure in the prior art, in the present disclosure, impurities and dust in the intake gas are blocked by a filter screen, the dust and impurities are cleaned by a brush, and the dust is adsorbed by an electrostatic precipitator to avoid blocking the filter screen and ensure the intake air volume. Cold water is conveyed into the cold water tank and the cold water pipe by a chiller to cool the gas, avoiding the reduction of the gas density. The cooling effect on the gas is improved through the rotation of the cold water pipe and the arrangement of the heat exchange fins. The intake air volume is regulated by a mass flow controller to ensure the smooth intake air and reduce the surging phenomenon of the centrifugal steam compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following will briefly introduce the drawings required for the description of the embodiments of the present disclosure. Obviously, the following drawings are only some exemplary embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained according to the content of the exemplary embodiments of the present disclosure and these drawings without creative efforts.

[0019] Figure 1 It is a schematic structural diagram of the first perspective of the whole in an embodiment of the present disclosure; Figure 2 is Figure 1 a schematic structural diagram of the first perspective of the partial cross-section in the embodiment of; Figure 3 is Figure 1 a schematic structural diagram of the second perspective of the partial cross-section in the embodiment of; Figure 4 is Figure 1 a schematic structural diagram of the impurity collection assembly in the embodiment of; Figure 5 is Figure 1Schematic diagram of the structures of the cold water pipe, chiller, heat exchange fins and cold water storage tank in the embodiment of Figure 6 is Figure 1 Schematic diagram of the structures of the cleaning plate, brush, magic tape and driving assembly in the embodiment of Figure 7 is Figure 1 Schematic diagram of the overall structure from the second perspective in the embodiment of Figure 8 is Figure 5 Local enlarged structure diagram at position A in

[0020] In the figure: 1. Pipe body; 2. Filter screen; 3. Intake pipe; 4. Cold water pipe; 5. Chiller; 6. Heat exchange fins; 7. Cold water storage tank; 8. Cleaning plate; 9. Brush; 10. Magic tape; 11. Baffle; 12. Air supply pipe; 13. Mass flow controller; 101. Driving shaft; 102. Water inlet seat; 103. Water outlet seat; 104. Motor; 105. Sprocket one; 106. Sprocket two; 201. Dust collection box; 202. Electrostatic precipitator; 203. Cleaning plate; 301. Fixed cylinder; 302. Demountable cylinder. Detailed implementation manners

[0021] The following further elaborates on the present disclosure in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are merely for explaining the present disclosure and not for limiting the present disclosure.

[0022] To simplify the drawings, only the parts related to the disclosure are schematically shown in each figure, and they do not represent their actual structures as products. Additionally, to simplify the drawings for easy understanding, in some figures, components with the same structure or function are only schematically shown for one of them, or only one of them is labeled. In this document, "one" not only means "only this one" but also can mean "more than one" situation, and "several" includes "two" and "more than two".

[0023] In this document, it should be noted that unless otherwise clearly specified and defined, the terms "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific situations.

[0024] In this disclosure, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0025] In the description of this embodiment, the orientation or positional relationship terms such as "upper", "lower", "left" and "right" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to this disclosure.

[0026] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions, and cannot be construed as indicating or implying relative importance.

[0027] As Figures 1 to 8 shown, it shows an intake anti-surge pipe of an MVR centrifugal steam compressor in an embodiment of this disclosure, including a pipe body 1 connected to the intake port of the centrifugal steam compressor, and further including a filter cartridge, a cold water pipe 4, a cleaning plate 8 and a mass flow controller 13. Compared with the prior art where the intake air volume decreases and the centrifugal steam compressor surges due to insufficient intake air pressure, in this disclosure, impurities and dust in the intake air are blocked by a filter net 2, the dust and impurities are cleaned by a brush 9, and the dust is adsorbed by an electrostatic precipitator 202 to avoid clogging the filter net 2 and ensure the intake air volume. Cold water is transported into a cold water tank 7 and the cold water pipe 4 by a chiller 5 to cool the gas and avoid the reduction of gas density. The rotation of the cold water pipe 4 and the arrangement of heat exchange fins 6 improve the cooling effect on the gas. The intake air volume is regulated by the mass flow controller 13 to ensure the smoothness of the intake air and reduce the surging phenomenon of the centrifugal steam compressor.

[0028] The filter cartridge is connected to the pipe body 1, and a filter net 2 is installed inside the filter cartridge. The filter cartridge is connected to an intake pipe 3, and gas enters the inside of the filter net 2 through the intake pipe 3. The filter net 2 blocks impurities and dust in the intake air, so that the gas entering the pipe body 1 and the centrifugal steam compressor remains clean and avoids damage to the centrifugal steam compressor.

[0029] The cold water pipe 4 is located inside the pipe body 1. The cold water pipe 4 is connected to a chiller 5 for delivering cold water into the cold water pipe 4. The cold water pipe 4 is rotatably arranged inside the pipe body 1 and is spirally arranged to extend the residence time of cold water in the cold water pipe 4 and at the same time expand the heat exchange area between the cold water and the gas. A plurality of heat exchange fins 6 are fixedly connected to the outside of the cold water pipe 4 to further expand the heat exchange area between the cold water and the gas and improve the heat exchange effect on the gas. To realize the rotation of the cold water pipe 4, a driving assembly is further included. The driving assembly is used to drive the cold water pipe 4 to rotate. The driving assembly includes a driving shaft 101, a water inlet seat 102 and a water outlet seat 103. The driving shaft 101 is rotatably arranged inside the pipe body 1. A motor 104 is installed on the filter cylinder. The output end of the motor 104 is coaxially and fixedly connected to a first sprocket 105. A second sprocket 106 is fixedly sleeved on the outside of the driving shaft 101. The first sprocket 105 and the second sprocket 106 are connected by a chain drive. A transmission box is installed on the filter cylinder. The first sprocket 105, the second sprocket 106 and the chain are all located inside the transmission box. The driving shaft 101 is rotationally connected to the transmission box. The driving shaft 101 is fixedly connected to the cold water pipe 4. The water inlet seat 102 and the water outlet seat 103 are respectively rotationally communicated with the ends of the cold water pipe 4. A plurality of through holes for the gas to pass through are provided in the part of the cold water pipe 4 located in the water inlet seat 102 and the water outlet seat 103. The water inlet seat 102 and the water outlet seat 103 are both communicated with the chiller 5. To improve the cooling effect on the gas, a cold water storage tank 7 is fixedly sleeved on the outside of the pipe body 1. The cold water pipe 4 is communicated with the chiller 5 through the cold water storage tank 7. The water outlet of the chiller 5 is communicated with the cold water storage tank 7. The water inlet seat 102 is communicated with the cold water storage tank 7. The water outlet pipe is communicated with the water inlet of the chiller 5. The chiller 5 manufactures cold water and delivers it into the cold water storage tank 7. The cold water in the cold water storage tank 7 can cool the pipe body 1. The cold water in the cold water storage tank 7 enters the inside of the cold water pipe 4 through the water inlet seat 102. The cold water flows back to the chiller 5 through the cold water pipe 4 and the water outlet seat 103 for circulating cooling. The gas enters the inside of the pipe body 1 and comes into full contact with the cold water pipe 4 and the heat exchange fins 6. The cold water fully cools the gas, avoiding the reduction of the intake air volume caused by the increase in the gas density due to the too high gas temperature, and thus reducing the surging phenomenon of the centrifugal steam compressor due to the high temperature.

[0030] The cleaning plate 8 is rotatably arranged inside the filter cylinder. A brush 9 in contact with the filter net 2 is installed on the cleaning plate 8. The cleaning plate 8 is fixedly connected to the drive shaft 101. A rotation hole for the drive shaft 101 to pass through is provided on the filter net 2. The motor 104 drives the drive shaft 101 and the cleaning plate 8 to rotate, thereby driving the brush 9 to clean the side of the filter net 2 away from the pipe body 1, that is, to clean the air inlet side of the filter net 2, avoiding blockage of the filter net 2 by dust impurities blocked by the filter net 2, thereby ensuring the air intake volume and avoiding the surge phenomenon caused by the reduction of the air intake volume due to the blockage of the filter net 2 by impurities.

[0031] A baffle 11 is fixedly installed inside the cold water pipe 4. An air supply pipe 12 is installed on the baffle 11. The mass flow controller 13 is installed on the air supply pipe 12. The gas cooled by the cold water pipe 4 is sent into the centrifugal steam compressor through the air supply pipe 12. The gas mass flow controller 13 is an existing device, and its work mainly includes two links: measurement and adjustment. The measurement link is realized through a mass flow sensor. The sensor can measure the pressure difference and temperature change when the gas flows through the pipeline, and then calculate the mass flow of the gas. The adjustment link is realized through a control valve. The control valve adjusts the gas flow according to the signal feedback by the sensor to keep it within the set range, thereby realizing the gas flow into the centrifugal steam compressor, making the excess gas accumulate in the pipe body 1, and ensuring that there is enough gas in the pipe body 1 even when the air intake is insufficient. At the same time, the stability of the gas entering the centrifugal steam compressor is ensured, and the surge phenomenon is reduced.

[0032] For collecting the impurities removed, an impurity collection component is further included. The impurity collection component includes a dust collection box 201. The dust collection box 201 is communicated with the filter cartridge. An electrostatic precipitator 202 is detachably installed inside the dust collection box 201. A cleaning port is opened on the dust collection box 201, and a cleaning plate 203 is installed at the cleaning port. The dust collection box 201 is located below the filter cartridge. While the brush 9 sweeps the dust on the surface of the filter net 2, under the action of gravity and the centrifugal force generated by the rotation of the cleaning plate 8, the dust and impurities tend to move towards the dust collection box 201. Under the electrostatic adsorption of the electrostatic precipitator 202, the dust is collected inside the dust collection box 201. The cleaning plate 203 can be opened regularly to take out the electrostatic precipitator 202 inside the dust collection box 201, clean the dust on its surface or replace the electrostatic precipitator 202 to ensure the adsorption effect on the dust and impurities, reduce the residue of dust on the brush 9 and the filter net 2. The basic principle of the electrostatic precipitator 202 is to use electricity to capture the dust in the flue gas, mainly including the following four interrelated physical processes: (1) ionization of gas; (2) charging of dust; (3) movement of charged dust towards the electrode; (4) capture of charged dust. The metal anode and cathode are installed inside the dust collection box 201. On the metal anode and cathode with a large difference in curvature radius, a high-voltage direct current is used to maintain an electric field sufficient to ionize the gas. The electrons, anions and cations generated after the ionization of the gas are adsorbed on the dust passing through the electric field, so that the dust obtains a charge. The dust with different charged polarities moves towards the electrodes with different polarities under the action of the electric field force and is deposited on the electrodes, so as to achieve the purpose of separating the dust and the gas, thereby adsorbing and collecting the dust and impurities in the intake air and those removed, and reducing the blockage of the filter net 2.

[0033] To avoid dust accumulation at the brush 9, the brush 9 is detachably connected to the cleaning plate 8 through a magic tape 10. The filter cartridge is a detachable structure. To realize the disassembly of the filter cartridge, the filter cartridge includes a fixed cylinder 301 and a disassembly cylinder 302. The fixed cylinder 301 is communicated with the pipe body 1. The disassembly cylinder 302 is threadedly connected to the fixed cylinder 301. A falling-back port is opened on the disassembly cylinder 302. When the disassembly cylinder 302 is screwed tightly on the fixed cylinder 301, the falling-back port is exactly located at the position corresponding to the dust collection box 201. Rotate the disassembly cylinder 302 regularly to disassemble it from the fixed cylinder 301, and the filter net 2 can be further cleaned. At the same time, the brush 9 can be conveniently detached from the cleaning plate 8 through the magic tape 10 for cleaning or replacement, reducing the accumulation of dust between the brush 9 and the filter net 2, ensuring the cleaning effect of the brush 9, and reducing the blockage of the filter net 2 caused by impurities. The dust collection box 201 is fixedly connected to the fixed cylinder 301, and the rotation and disassembly of the disassembly cylinder 302 will not affect the dust collection box 201.

[0034] The working principle or usage process of the intake anti-surge pipe of this MVR centrifugal steam compressor is as follows: The rotation of the impeller of the centrifugal steam compressor generates suction. The gas enters the interior of the filter cartridge through the intake pipe 3. The filter net 2 filters the incoming gas, and dust impurities etc. are retained inside the filter cartridge. The clean gas enters the interior of the pipe body 1. The chiller 5 delivers cold water into the interior of the cold water storage tank 7 and the cold water pipe 4 to cool the gas inside the pipe body 1. The cooled gas enters the interior of the centrifugal steam compressor through the air delivery pipe 12. At the same time, the mass flow controller 13 controls the flow rate of the incoming gas; During the intake process, the motor 104 drives the drive shaft 101 to rotate, thereby driving the cold water pipe 4 to rotate, improving the cooling effect on the gas. At the same time, the drive shaft 101 drives the cleaning plate 8 and the brush 9 to rotate to clean the surface of the filter net 2. The electrostatic precipitator 202 generates static electricity to adsorb the dust in the gas and the cleaned dust. Regularly open the cleaning plate 203 to clean the dust on the electrostatic precipitator 202.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure and not to limit them. Although the present disclosure has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present disclosure can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present disclosure, and they should all be covered within the scope of the claims of the present disclosure.

Claims

1. An MVR centrifugal steam compressor air inlet anti-surge pipe, comprising a pipe body (1) connected to the air inlet of the centrifugal steam compressor, characterized in that: Also includes: A filter cartridge, the filter cartridge being in communication with the tube body (1), and a filter screen (2) being installed inside the filter cartridge; A cold water pipe (4), the cold water pipe (4) being located inside the pipe body (1), the cold water pipe (4) being connected to a water chiller (5) for conveying cold water into the cold water pipe (4); a cleaning plate (8), the cleaning plate (8) being rotatably arranged inside the filter cylinder, the cleaning plate (8) being provided with a brush (9) in contact with the filter screen (2); A mass flow controller (13), wherein a baffle (11) is fixedly installed inside the cold water pipe (4), an air supply pipe (12) is installed on the baffle (11), and the mass flow controller (13) is installed on the air supply pipe (12).

2. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 1, characterized in that: The cold water pipe (4) is rotatably arranged inside the pipe body (1).

3. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 2, characterized in that: The cold water pipe (4) is arranged in a spiral shape.

4. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 3, characterized in that: It also includes a driving assembly, which is used to drive the cold water pipe (4) to rotate, and the driving assembly includes: A drive shaft (101), the drive shaft (101) being rotatably disposed inside the tube body (1), the drive shaft (101) being fixedly connected to the cold water pipe (4); A water inlet seat (102) and a water outlet seat (103), wherein the water inlet seat (102) and the water outlet seat (103) are respectively rotatably connected to the ends of the cold water pipe (4), and the water inlet seat (102) and the water outlet seat (103) are both connected to the chiller (5).

5. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 4, characterized in that: A plurality of heat exchange fins (6) are fixedly connected to the outside of the cold water pipe (4).

6. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 5, characterized in that: The cleaning plate (8) and the driving shaft (101) are fixedly connected, and a rotating hole for the driving shaft (101) to pass through is provided on the filter screen (2).

7. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 6, characterized in that: Also included is an impurity collection assembly, the impurity collection assembly comprising: A dust collecting box (201), the dust collecting box (201) being connected to the filter cartridge, an electrostatic precipitator (202) being detachably mounted inside the dust collecting box (201), a cleaning port being provided on the dust collecting box (201), and a cleaning plate (203) being mounted at the cleaning port.

8. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 7, characterized in that: The brush (9) is detachably connected to the cleaning plate (8), and the filter cartridge is a detachable structure.

9. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 8, characterized in that: The filter cartridge comprises a fixed cartridge (301) and a disassembly cartridge (302); the fixed cartridge (301) is in communication with the tube body (1); and the disassembly cartridge (302) and the fixed cartridge (301) are threadedly connected.

10. The MVR centrifugal steam compressor air intake anti-surge pipe according to claim 9, characterized in that: The exterior of the pipe body (1) is fixedly sleeved with a cold water tank (7), and the cold water pipe (4) is connected to the chiller (5) via the cold water tank (7).

Images